Class 10 Online Courses

Class 10 physics Practice Tests

Class 10 Physics Online Tests

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Apps:

The e-Book Lenses and characteristics Multiple Choice Questions (MCQ Quiz) with Answers, Lenses and Characteristics MCQ PDF download to learn free 10th grade physics online courses. Practice Geometrical Optics Multiple Choice Questions and Answers (MCQs), Lenses and Characteristics quiz answers PDF for high school certification courses. The Lenses and Characteristics MCQ App Download: Free learning app for total internal reflection, lenses and properties, human eye, refraction of light test prep for free online courses.

The MCQ: Concave lens is also called; "Lenses and Characteristics" App Download (Free) with answers diverging lens, converging lens, convex lens for high school certification courses. Solve geometrical optics quiz questions, download Google eBook (Free Sample) for online degrees.

## Lenses and Characteristics MCQs: Questions and Answers

MCQ : Concave lens is also called

1. diverging lens
2. converging lens
3. convex lens
4. none of above

MCQ 1: Power of a lens is defined as the reciprocal of its

1. focal length in meters
2. principal axis
3. optical center
4. vertex

MCQ 2: A point on the principal axis at the center of lens is known as

1. principal axis
2. optical center
3. principal focus
4. focal length

MCQ 3: As the focal length of a concave lens is positive, therefore its power should be

1. also negative
2. always zero
3. positive
4. neutral

MCQ 4: If an ophthalmologist places a 3.00 diopter lens next to 0.75 diopter lens, the power of lens should be

1. 3 diopters
2. 0.75 diopters
3. 2.25 diopters
4. 3.75 diopters

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